Oblong and Oval

Oblong adjective - Deviating from a square or circle or sphere by being elongated in one direction.

Oval and oblong are semantically related in elongated and rounded topic. In some cases you can use "Oval" instead an adjective "Oblong". popular alternative

Oval adjective - Having the shape of an egg.

Oblong and oval are semantically related in long and rounded in shape topic. You can use "Oblong" instead an adjective "Oval". popular alternative